Table 2 Risk of mortality according to the acidosis trajectories

Model 1

1st cluster

2nd cluster

1.433 (1.220–1.683)

< 0.001

3rd cluster

2.291 (1.816–2.890)

< 0.001

4th cluster

2.700 (2.152–3.389)

< 0.001

5th cluster

3.037 (2.254–4.093)

< 0.001

Model 2

1st cluster

2nd cluster

1.430 (1.217–1.680)

< 0.001

3rd cluster

2.297 (1.820–2.899)

< 0.001

4th cluster

2.716 (2.164–3.411)

< 0.001

5th cluster

3.057 (2.269–4.120)

< 0.001

Model 3

1st cluster

2nd cluster

1.240 (1.010–1.521)

0.039

3rd cluster

1.542 (1.131–2.103)

0.006

4th cluster

1.842 (1.370–2.476)

< 0.001

5th cluster

1.802 (1.208–2.686)

0.003